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B57237

EPCOS
Part Number B57237
Manufacturer EPCOS
Description Switch-mode power supplies
Published Jun 27, 2007
Detailed Description Inrush Current Limiters B57237 S 237 Applications I Switch-mode power supplies I Soft-start motors, e.g. in vacuum cle...
Datasheet PDF File B57237 PDF File

B57237
B57237

Overview
Inrush Current Limiters B57237 S 237 Applications I Switch-mode power supplies I Soft-start motors, e.
g.
in vacuum cleaners Features I I I I I Useable in series connections up to 265 Vrms Coated thermistor disk Kinked leads of tinned copper wire Wide resistance range UL approval (E69802) Options Resistance tolerance < 20 % available on request Delivery mode Bulk (standard), cardboard tape, reeled or in Ammo pack Dimensions in mm Approx.
weight 2 g Climatic category (IEC 60068-1) Max.
power at 25 °C www.
DataSheet4U.
com Resistance tolerance Rated temperature B value tolerance Dissipation factor (in air) Thermal cooling time constant (in air) Heat capacity Pmax ∆R N/R N TN ∆B/B δth τc Cth 55/170/56 3,1 ± 20 % 25 ±3% approx.
17 approx.
90 approx.
1530 W °C mW/K s mJ/K R 25 Ω 1,0 2,2 2,5 4,7 5,0 7,0 10 15 22 33 Imax (25 °C) A 9,0 7,0 6,5 5,1 5,0 4,2 3,7 3,0 2,8 2,5 No.
of R/T characteristic 1201 1202 1202 1203 1203 1302 1308 1302 1304 1304 B25/100 K 2700 2800 2800 2900 2900 3...


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